Flow price: --
a02c1ccf7432861435eb3b7735b2fe85f47131174a3a8e45887aa262f4b13e25

Transaction

Hash: a02c1ccf7432861435eb3b7735b2fe85f47131174a3a8e45887aa262f4b13e25
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a02c1ccf7432861435eb3b7735b2fe85f47131174a3a8e45887aa262f4b13e25:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a02c1ccf7432861435eb3b7735b2fe85f47131174a3a8e45887aa262f4b13e25
Status:
ERROR
Block height:
39860210
Block id:
a59cdb059ad6e63eeb139e613b799005a76c0549c5f0a5e30a9fdd8ba5245ab8
Timestamp:
Friday 28 October 2022 at 09:53:33 UTC
()
Proposer:
Authorizers:
Gas used:
49